a:5:{i:0;s:7:"role_id";i:1;s:7:"node_id";i:2;s:5:"level";i:3;s:6:"module";s:5:"_type";a:4:{s:7:"role_id";s:20:"smallint(6) unsigned";s:7:"node_id";s:20:"smallint(6) unsigned";s:5:"level";s:10:"tinyint(1)";s:6:"module";s:11:"varchar(50)";}}